gcc/testsuite/g++.dg/vect/slp-pr50819.cc

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target vect_float } */
   3
   4 typedef float Value;
   5
   6 struct LorentzVector
   7 {
   8
   9   LorentzVector(Value x=0, Value  y=0, Value  z=0, Value  t=0) :
  10 theX(x),theY(y),theZ(z),theT(t){}
  11   LorentzVector & operator+=(const LorentzVector & a) {
  12     theX += a.theX;
  13     theY += a.theY;
  14     theZ += a.theZ;
  15     theT += a.theT;
  16     return *this;
  17   }
  18
  19   Value theX;
  20   Value theY;
  21   Value theZ;
  22   Value theT;
  23 }  __attribute__ ((aligned(16)));
  24
  25 inline LorentzVector
  26 operator+(LorentzVector const & a, LorentzVector const & b) {
  27   return
  28 LorentzVector(a.theX+b.theX,a.theY+b.theY,a.theZ+b.theZ,a.theT+b.theT);
  29 }
  30
  31 inline LorentzVector
  32 operator*(LorentzVector const & a, Value s) {
  33     return LorentzVector(a.theX*s,a.theY*s,a.theZ*s,a.theT*s);
  34 }
  35
  36 inline LorentzVector
  37 operator*(Value s, LorentzVector const & a) {
  38   return a*s;
  39 }
  40
  41
  42 void sum1(LorentzVector & res, Value s, LorentzVector const & v1, LorentzVector
  43 const & v2) {
  44   res += s*(v1+v2);
  45 }
  46
  47 void sum2(LorentzVector & res, Value s, LorentzVector const & v1, LorentzVector
  48 const & v2) {
  49   res = res + s*(v1+v2);
  50 }
  51
  52 /* { dg-final { scan-tree-dump-times "basic block vectorized" 2 "slp" } } */
  53 /* { dg-final { cleanup-tree-dump "slp" } } */